Fix : Not able to close pop up in Join Organization Screen Palisadoes…

…Foundation#815

Bug was caused due to Page context was used in close button instated new context of builder.

Fix:
Refactor : ctx -> dialogContext
Change : context -> dialogContext (line 142)

lib/views/pages/organization/Join-Organization-Widgets/org_tile.dart

@@ -131,15 +131,15 @@ class _OrganisationTileState extends State<OrganisationTile> {
   ) {
     showDialog(
       context: widget.scaffoldKey.currentContext,
-      builder: (BuildContext ctx) {
+      builder: (BuildContext dialogContext) {
         return AlertDialog(
           title: const Text("Confirmation"),
           content:
               const Text("Are you sure you want to join this organization?"),
           actions: [
             TextButton(
               onPressed: () {
-                Navigator.of(context).pop();
+                Navigator.of(dialogContext).pop();
               },
               child: const Text("Close"),
             ),
@@ -148,7 +148,7 @@ class _OrganisationTileState extends State<OrganisationTile> {
                 setState(() {
                   _isLoaderActive = true;
                 });
-                Navigator.of(ctx).pop();
+                Navigator.of(dialogContext).pop();
                 if (isPublic == 'true') {
                   await Provider.of<OrgController>(
                     context,
@@ -165,7 +165,7 @@ class _OrganisationTileState extends State<OrganisationTile> {
                     _isLoaderActive = false;
                   });
                 } else if (isPublic == 'false') {
-                  await Provider.of<OrgController>(ctx, listen: false)
+                  await Provider.of<OrgController>(dialogContext, listen: false)
                       .joinPrivateOrg(
                     context,
                     widget.fToast,